Malicious PDF — malware analysis report

Static analysis result for SHA-256 29186bf24c53f119…

MALICIOUS

PDF

62.3 KB Created: 2021-09-07 06:53:26 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-05
MD5: fcdad188a292c4803fc8d5f241511b97 SHA-1: 3d939c4c5e198d882b7feb533e34f5e95942ad39 SHA-256: 29186bf24c53f11993868a948cb2da9e8e9f6287232fbccac25c6f298f709220
154 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and by an ML classifier as malicious. It contains a link farm with numerous external URLs, many hosted on compromised WordPress sites or disposable domains, suggesting an attempt to direct users to malicious content. The document body is heavily obfuscated, preventing a clear understanding of its specific lure, but the overall structure and URL distribution indicate a phishing or malware distribution attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.6290

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
    PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
  • External URI info PDF_URI
    PDF contains an external URL action
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL https://allytemp.ru/uplcv?utm_term=samsung+level+eo-pn900+manual PDF link annotation
    • http://ifaistos.reality.gr/~triantaf/images/file/56092499449.pdfIn PDF document text
    • http://faizleathergloves.com/userfiles/files/13646002402.pdfIn PDF document text
    • https://hsse.cl/files/39483607188.pdfIn PDF document text
    • https://momsgardenfoods.com/ckfinder/userfiles/files/64013351433.pdfIn PDF document text
    • http://www.fishandcosolicitors.com/uploads/files/takibuwevomajipenip.pdfIn PDF document text
    • https://nhaban24h.com.vn/wp-content/plugins/super-forms/uploads/php/files/ji31vctcof9j21jtmoodnoe47g/59192746724.pdfIn PDF document text
    • http://arcomproltd.com/userfiles/file/tabalip.pdfIn PDF document text
    • https://zlatartopalovic.rs//files/jopujimomuko.pdfIn PDF document text
    • http://www.ufolep-69.com/contenus/files/77684577502.pdfIn PDF document text
    • http://annandale1963.com/clients/69704/File/48565512057.pdfIn PDF document text
    • https://www.ideaklinikkadikoy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160839c16312d7---23377298888.pdfIn PDF document text
    • http://rubivina.com/Images_upload/files/tepami.pdfIn PDF document text
    • http://cottoneauto.it/userfiles/files/38997420554.pdfIn PDF document text
    • http://abwingscolley.com/uploads/files/76791841061.pdfIn PDF document text
    • https://www.certificagreen.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ecd3609bd9---sazabavebagorexupiv.pdfIn PDF document text
    • http://barcabianca.eu/upload/file/gopejozewibeta.pdfIn PDF document text
    • http://antwerp-rentals.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608cc381a24cd---2980221774.pdfIn PDF document text
    • https://finestblogger.de/wp-content/plugins/super-forms/uploads/php/files/9me86klkaf0au0ivepsmjltln4/zujijerakujed.pdfIn PDF document text
    • http://www.ellisrasbetonwerke.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160922c61c15ca---tomavupuge.pdfIn PDF document text
    • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b16d86a1f36---84536596420.pdfIn PDF document text
    • http://pc-driver.ru/userfiles/files/28094700045.pdfIn PDF document text
    • http://www.argentum.com/wp-content/plugins/super-forms/uploads/php/files/g02jik7b7sv0nc72ctrsh0qb1f/91863223453.pdfIn PDF document text